Chinmay Kulkarni created PHOENIX-5545: -----------------------------------------
Summary: DropChildViews Task fails for a base table when its child view has an index Key: PHOENIX-5545 URL: https://issues.apache.org/jira/browse/PHOENIX-5545 Project: Phoenix Issue Type: Bug Affects Versions: 4.15.0, 5.1.0 Reporter: Chinmay Kulkarni Fix For: 4.15.0, 5.1.0 1) Start the HBase server with 4.15.0 Phoenix 2) Connect with a 4.15.0 client 3) Create a base table and a view on top of the base table and create an index on top of this view: {code:sql} CREATE TABLE IF NOT EXISTS Z_BASE_TABLE (ID INTEGER NOT NULL PRIMARY KEY, HOST VARCHAR(10), FLAG BOOLEAN); CREATE VIEW Z_VIEW1 (col1 INTEGER, col2 INTEGER, col3 INTEGER, col4 INTEGER, col5 INTEGER) AS SELECT * FROM Z_BASE_TABLE WHERE ID>10; CREATE INDEX V_I ON Z_VIEW1(COL4); {code} 4) Drop the base table with the cascade option: {code:sql} DROP TABLE Z_BASE_TABLE CASCADE; {code} 5) DropChildViews Task gets added to the SYSTEM.TASK table as expected, but when it gets scheduled and subsequently executed, it fails with the following exception: {code:java} 2019-10-24 22:44:34,214 ERROR [pool-121-thread-1] tasks.DropChildViewsTask: Exception while dropping a child view task. null.Z_BASE_TABLE with tenant id IS NULL and timestamp 292278994-08-16 23:12:55.807 org.apache.phoenix.exception.PhoenixIOException: Z_BASE_TABLE at org.apache.phoenix.query.ConnectionQueryServicesImpl.flushTable(ConnectionQueryServicesImpl.java:4442) at org.apache.phoenix.query.ConnectionQueryServicesImpl.flushParentPhysicalTable(ConnectionQueryServicesImpl.java:1922) at org.apache.phoenix.query.ConnectionQueryServicesImpl.dropTable(ConnectionQueryServicesImpl.java:1888) at org.apache.phoenix.schema.MetaDataClient.dropTable(MetaDataClient.java:3152) at org.apache.phoenix.schema.MetaDataClient.dropTable(MetaDataClient.java:3060) at org.apache.phoenix.util.ViewUtil.dropChildViews(ViewUtil.java:207) at org.apache.phoenix.coprocessor.tasks.DropChildViewsTask.run(DropChildViewsTask.java:60) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.phoenix.coprocessor.TaskRegionObserver$SelfHealingTask.run(TaskRegionObserver.java:204) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.apache.hadoop.hbase.TableNotFoundException: Z_BASE_TABLE at org.apache.hadoop.hbase.client.HBaseAdmin.checkTableExists(HBaseAdmin.java:2863) at org.apache.hadoop.hbase.client.HBaseAdmin.flush(HBaseAdmin.java:1904) at org.apache.hadoop.hbase.client.HBaseAdmin.flush(HBaseAdmin.java:1949) at org.apache.phoenix.query.ConnectionQueryServicesImpl.flushTable(ConnectionQueryServicesImpl.java:4440) ... 18 more {code} Note that this marks the DropChildViews task for the base table as failed and so *if the base table has any other views, those views will also not be dropped*. -- This message was sent by Atlassian Jira (v8.3.4#803005)